FR447916A - équerre goniométrique - Google Patents

équerre goniométrique

Info

Publication number
FR447916A
FR447916A FR447916A FR447916DA FR447916A FR 447916 A FR447916 A FR 447916A FR 447916 A FR447916 A FR 447916A FR 447916D A FR447916D A FR 447916DA FR 447916 A FR447916 A FR 447916A
Authority
FR
France
Prior art keywords
goniometric
square
goniometric square
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR447916A
Other languages
English (en)
Inventor
Frederic Swing Crispin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR447916A publication Critical patent/FR447916A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/027—Plural non-adjustable straightedges fixed at right angles
    • B43L7/0275—Triangles
FR447916A 1912-05-02 1912-09-03 équerre goniométrique Expired FR447916A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191220050XA 1912-05-02 1912-05-02

Publications (1)

Publication Number Publication Date
FR447916A true FR447916A (fr) 1913-01-18

Family

ID=32656820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447916A Expired FR447916A (fr) 1912-05-02 1912-09-03 équerre goniométrique

Country Status (2)

Country Link
FR (1) FR447916A (fr)
GB (1) GB191220050A (fr)

Also Published As

Publication number Publication date
GB191220050A (en) 1912-11-28

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